splanchnic mesoderm

mesoderm

[mez´o-derm]

the middle of the three primary germ layers of the embryo, lying between the ectoderm and entoderm; from it are derived the connective tissue, bone, cartilage, muscle, blood and blood vessels, lymphatics, lymphoid organs, notochord, pleura, pericardium, peritoneum, kidneys, and gonads. adj., adj mesoder´mal, mesoder´mic.

somatic mesoderm the outer layer of the developing mesoderm.

splanchnic mesoderm the inner layer of the developing mesoderm.

splanch·nic mes·o·derm

the layer of lateral plate mesoderm adjacent to the endoderm.

splanchnic mesoderm

The inner layer of the lateral mesoderm. It becomes intimately associated with the endoderm, forming the splanchnopleure, from which the gut and the lungs and their coverings arise.

mesoderm

the middle of the three primary germ layers of the embryo, lying between the ectoderm and entoderm; from it are derived the connective tissue, bone, cartilage, muscle, blood and blood vessels, lymphatics, lymphoid organs, notochord, pleura, pericardium, peritoneum, kidneys and gonads.

extraembryonic mesoderm

located outside the developing embryo and forming its accessory organs.

paraxial mesoderm

adjacent to the mid line beneath the epiblast of the embryo which develop into somites.

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